[ RadSafe ] solar advances

Wed Sep 2 09:46:34 CDT 2015

Hmmmm,

     Sounds like solar power will compete with farming for many acres
of viable crop-growing land.  Not so good.

      Joe Preisig


On 9/1/15, parthasarathy k s <ksparth at yahoo.co.uk> wrote:
> Friends,
> I could gather some more information on the solar powered airport in
> India.This airport was constructed in record time.The management Cochin
> International Airport Limited (CIAL) is very progressive.In 2013, They
> erected a 100 kWp to begin with and progressively raised it to higher
> levels.
> The solar power system is grid connected with no battery stage.The 12 MWp
> solar power plant, comprising of 46,150 solar panels laid across 45 acres
> near cargo complex now  produces 50,000 to 60,000 units of electricity per
> day to be consumed for all its operational functions, It needs 48,000 units
> of power per day.The entire power produced during the day is fed to the
> State's electricity grid. The airport buys back whatever it needs from the
> grid.The airport has a power purchasing agreement with the Kerala State
> Electricity Board. CIAL is a profit-making company . The Company paid 21%
> dividend to the investors
> Kerala State is sunny. The humidity in the region is also high. As Mike said
>  dust and biofilms can eat into the efficiency of solar cells. Hot climate
> with lot of humidity can accelerate the growth of all sort of little beasts
> including fungi!
> Yes maintenance issues may be humongous. We have to watch how successfully
> it operates over periods of months and years. Reality will set in once the
> celebrations are over.
> India plans to construct 100 GW of solar power in the next five years. Many
> consider this as too ambitious.
> RegardsParthasarathy
>
>
>
>      On Wednesday, 2 September 2015, 2:41, "Brennan, Mike (DOH)"
> <Mike.Brennan at DOH.WA.GOV> wrote:
>
>
>  I think the best answer is, "It depends".
>
> You are correct that there are a lot of things on the ground that have to be
> taken into consideration.  It would be foolish to not engineer for whatever
> the extreme weather is for that location: the cost per unit of energy goes
> up a lot if the entire array has to be replaced after every wind storm.
>
> Cleaning is probably going to be the biggest ongoing maintenance cost,
> especially as it will be needed most often in the urban areas where solar
> energy can be used with the least line losses.  I suspect that dust and
> biofilms can really cut into efficiency.
>
> On the other hand, servicing a solar array has to be much cheaper per unit
> of energy than servicing wind turbines.
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of
> JOHN.RICH at sargentlundy.com
> Sent: Tuesday, September 01, 2015 1:11 PM
> To: The International Radiation Protection (Health Physics) Mailing List
> Cc: radsafe-bounces at health.phys.iit.edu
> Subject: Re: [ RadSafe ] solar advances
>
> Just a quick question  - -pls don't blow it out of proportion.
>
> As part of the nuclear industry (disclosure) I have a pretty good
> understanding of nuclear plant maintenance requirements.  The question is,
> what are the maintenance requirements for solar arrays.  It seems like
> they're pretty trouble free on the ISS, but would it be the same for an
> 'earthly' environment..  For example, could temperature variations, dust,
> wind, storage batteries, etc., increase maintenance costs enough to make a
> difference?
> thx - - jmr
>
>
>
>
>
> From:  Maury <maurysis at peoplepc.com>
> To:    radsafe at health.phys.iit.edu, JAitken at slb.com,
> Date:  09/01/2015 02:25 PM
> Subject:        Re: [ RadSafe ] solar advances
> Sent by:        radsafe-bounces at health.phys.iit.edu
>
>
>
> As you see below, this is a major airport that operates 24/7 . . .
>
> Cochin International Airport, Cochin, India
>
> Airport data
> IATA Code: COK    ATC Tel: +91 484 261 0121    Time: UTC+5.30
> ICAO Code: VOCI    ATC Fax: +91 484 261 0119    Runway: 3400m /
> 11155ft (Hard)
> *Hours of operation: 24hrs*
> Customs: Yes ; Tel: +91 484 261 0072    Immigration: Yes ; Tel: +91 484
> 261 0022    Fuel availability: Jet/Avgas
> Nearest other airports: Cochin 15nm; Coimbatore 65nm; Calicut 65nm Best,
> Maury&Dog [MaurySiskel maurysis at peoplepc.com]
> ==================================================
> On 9/1/2015 12:50 PM, Doug Aitken wrote:
>> Schlumberger-Private
>> ________________________________________
>> It would be interesting to see how they store the electricity for
> night-time operation.
>> Or are they strictly a daytime operation?
>> Regards
>> Doug
>>
>> Doug Aitken
>> Cell phone: 713-562-8585
>> QHSE Advisor, D&M Operations Support
>> Schlumberger Technology Corporation
>> c/o Kathy Trosclair
>> 300 Schlumberger Drive, MD15,
>> Sugar Land, Texas 77478
>>
>>
>>
>> -----Original Message-----
>> From: radsafe-bounces at health.phys.iit.edu [
> mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of parthasarathy k s
>> Sent: Tuesday, September 01, 2015 12:08 PM
>> To: The International Radiation Protection (Health Physics) Mailing
>> List
>> Subject: Re: [ RadSafe ] solar advances
>>
>> Friends,
>> India has reportedly the world's first fully solar powered airport at
> Cochin Capacity 1.1 MW The link:
>> Indian airport is the first in the world 100% powered by renewable
> energy
>>
> ----------------------------------------snipped-----------------------------
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